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Evaluation of the Performance and Quality of Wastewater Treated by M’zar Plant in Agadir, Morocco

1
Laboratory of Mechanics, Processes Energy and Environment, National School of Applied Sciences, Agadir BP 1136, Morocco
2
Institute for Ecopreneurship, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland (FHNW), 4132 Muttenz, Switzerland
3
Laboratory of Salinity and Plant Nutrition, Hassan II Institute of Agronomy and Veterinary Medicine, Agadir BP 773, Morocco
*
Author to whom correspondence should be addressed.
Academic Editor: José Alberto Herrera-Melián
Water 2021, 13(7), 954; https://doi.org/10.3390/w13070954
Received: 28 February 2021 / Revised: 26 March 2021 / Accepted: 29 March 2021 / Published: 31 March 2021
(This article belongs to the Section Wastewater Treatment and Reuse)
The aim of our study is based on the characterization of the effluents treated by the M’zar plant, the monitoring of its purification performance after each treatment stage and the benefits of treated wastewater reuse in Souss-Massa region. Physico-chemical and bacteriological analyses were performed monthly from May 2019 to September 2020 on four types of water: Raw Water (RW), Settled Water (SW), Filtered Water (FW) and Purified Water treated by ultraviolet radiation (PWUV). After treatment, the pH values were close to neutrality and the concentrations of COD, BOD5, SM and bacteriological parameters were below the limits recommended by Moroccan standards, with a satisfactory abatement rate (between 97.5% and 100%), with the exception of electrical conductivity, which recorded very high values (3.7 dS/cm in PWUV) due to the salt discharged by the fish industries. In fact, the treated wastewater is rich in nitrates (289.24 mg/L in PWUV) and their reuse in agriculture can therefore contribute to making significant savings in terms of fertilization (2.08 t/day of nitrogen with a daily flow of 30,000 m3/day). Furthermore, a daily quantity of 2 to 5 tons of sludge is discharged, containing 40% to 60% of dry volatile matter, which results in the biogas production of 1275 m3/day/decanter. View Full-Text
Keywords: treated wastewater; performance; analysis; physico-chemical; bacteriological; wastewater treatment plant treated wastewater; performance; analysis; physico-chemical; bacteriological; wastewater treatment plant
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MDPI and ACS Style

Mansir, I.; Oertlé, E.; Choukr-Allah, R. Evaluation of the Performance and Quality of Wastewater Treated by M’zar Plant in Agadir, Morocco. Water 2021, 13, 954. https://doi.org/10.3390/w13070954

AMA Style

Mansir I, Oertlé E, Choukr-Allah R. Evaluation of the Performance and Quality of Wastewater Treated by M’zar Plant in Agadir, Morocco. Water. 2021; 13(7):954. https://doi.org/10.3390/w13070954

Chicago/Turabian Style

Mansir, Imane; Oertlé, Emmanuel; Choukr-Allah, Redouane. 2021. "Evaluation of the Performance and Quality of Wastewater Treated by M’zar Plant in Agadir, Morocco" Water 13, no. 7: 954. https://doi.org/10.3390/w13070954

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